1995–2017: Early life and pre-debut activities Kwon Eun-bi was born on September 27, 1995, in
Geumcheon District,
Seoul. Her family consists of her parents and an older brother. She attended Dong-il Middle School and graduated from
School of Performing Arts Seoul. In middle school, she expressed to her parents her desire to attend a dance academy. Her parents were initially against her becoming a singer, and told her to attend a dance academy only as a hobby, wanting her to focus on her studies instead. Determined to become a singer, she finally persuaded her parents by sending a letter to her other family members, asking for help in convincing her parents to let her attend an arts high school. When she was 17, she was a
backup dancer for girl groups such as
Secret and
Girl's Day, and was encouraged by member
Hyeri (who was her senior in high school) to pursue her aspirations of becoming an
idol. During this time, she was also working part-time at a
Paris Baguette store. Kwon debuted in the Kiroy Company-managed eight-member girl group Ye-A under the stage name 'Kazoo' on July 18, 2014, with the single "National Treasure". She presumably left the group along with fellow member Chai after they both were removed from the groups'
Twitter bio. She auditioned for several entertainment companies afterwards, and signed a contract with
Woollim Entertainment.
2018–2020: Produce 48 and debut with Iz*One Kwon Eun-bi was one of four trainees from
Woollim Entertainment who participated on the
Mnet girl group
survival show Produce 48, a collaboration between the Mnet series
Produce 101 and the
J-pop idol group
AKB48. She consistently ranked among the Top 12, eventually finishing in 7th place, which allowed her to debut as a member of
Iz*One, alongside fellow Woollim Entertainment trainee
Kim Chae-won, and was named the group's leader. They debuted on October 29, 2018, with the single "
La Vie en Rose". In 2019, she became a permanent cast member of the
JTBC show
Respect Your Style, Real Life alongside
Jung Hyung-don and
Ahn Jung-hwan which first aired in May and ended in August of the same year. '' in May 2020 In February 2020, she made her debut as a songwriter and wrote and composed the song "Spaceship" which was released as a track for Iz*One's first studio album
Bloom*Iz. The song charted at No. 130 on the
Gaon Digital Chart. She wrote another song for their third mini-album
Oneiric Diary entitled "With*One" as part of a songwriting team called Psycho Rabbit. It was released on June 15, 2020, and debuted at No. 152 on the Gaon Digital Chart.
2021–present: Solo activities and solo debut On March 29, 2021, her Woollim Entertainment labelmate
Sungkyu released the music video for his single "Hush", in which she played the female lead. After wrapping up Iz*One's promotions on April 29, 2021, with a final concert in March, Kwon returned to Woollim Entertainment with labelmate Kim Chae-won as trainees. On June 29, she became the new host of FashionN's beauty program
Follow Me along with
Ha Sung-woon,
Pentagon's Kino, and Freezia. On August 4, Kwon's labelmates
Rocket Punch released their debut Japanese album
Bubble Up! which includes a track written and co-produced by Kwon titled "Let's Dance". On August 5, 2021, Woollim Entertainment announced that Kwon was preparing to debut as a solo artist and would release her debut album at the end of the month. On August 24, Kwon released her first
extended play Open, on which she received writing credits on two of the songs, including the lead single "Door." Following her debut as a soloist, Kwon was nominated for Rookie of the Year at the
36th Golden Disc Awards, From January 2022 to January 2023, Kwon hosted the monthly show
Mubeat Live. On March 10, Kwon released the
promotional single "Esper" through
Universe Music for the mobile application
Universe. On March 24, 2022, Kwon Eun-bi was announced as a cast member for the musical
Midnight Sun as Seo Haena, with
Ha Sung-woon,
Shinee's
Onew,
Pentagon's
Jinho,
Song Geon-hee,
Golden Child's Y,
Apink's
Kim Nam-joo, and Lee Sang-a. On April 4, 2022, Kwon released her second extended play
Color along with the title track "Glitch". On May 9, 2022, Woollim Entertainment announced that Kwon would hold her first solo concert "Secret Doors" on June 18 and 19, 2022. Later in May, Kwon was selected alongside
KCM and
Vromance's Park Hyun-kyu as hosts of the
LGU+ music-based
variety show Why Not Crew. On August 11, 2022, it was announced that Kwon's 'Rubi's Room' fan meeting would be held on October 30 and November 3 at Merpark in Osaka and Toyosu PIT in Tokyo; this was her first solo fan meeting to be held in Japan. On August 17, she released the song "Light" as part of the soundtrack for K-pop CTzen, a
metaverse project based on
Web3. On September 20, her agency Woollim Entertainment released a comeback poster for her third extended play,
Lethality, through its official SNS channel. The EP was released on October 12. On November 7, Woollim Entertainment announced that Kwon would hold her second solo concert "Next Door" in Seoul on December 17 and 18. In May 2023, she acted opposite
Hyun Woo in the music video for
KCM's "Even if You Call Me a Fool". Following her viral performance, "Underwater" resurged on Korean music charts, eventually peaking at number 78 on Circle Digital Chart, forty-five weeks after the single's release. Also in June, she was selected as the new radio DJ for the daily
SBS Power FM radio show
Young Street, with her first broadcast scheduled for July 3. On August 8, she achieved her first
music show win as a soloist on
SBS M's
The Show. On September 6, it was announced that Kwon would be holding her third solo concert "Queen" at the Blue Square Mastercard Hall in Seoul on October 7 and 8. On October 24, she released the digital single "Like Heaven", a collaboration with hip-hop artist Paul Blanco. On November 7, it was announced that Kwon had been cast as a host of the
MBC dating show
Alumni Lovers. On June 3, 2024, Woollim Entertainment announced that Kwon would be releasing her second single album
Sabotage on June 18. On August 2, 2024, it was announced that Kwon would step down as the host of ''Kwon Eun-bi's Youngstreet''. Her final broadcast was on August 4. On August 13, she featured on
Hui's digital single "Easy Dance". On January 7, 2025, Kwon released her digital single "Snowfall", which features
Coogie. On April 2, Woollim Entertainment announced that Kwon would be releasing a digital single "Hello Stranger" on April 14. On March 31, 2026, Kwon departed Woolim Entertainment and signed a contract with
RBW on April 22. ==Endorsements==